What's the main purpose of a firewall?
a. Control traffic entering and leaving a network
b. Prevent certain applications from running
c. Protect internal network segments
d. Prevent command and control data from being initiated from inside the network.
Answer:
a. Control traffic entering and leaving a network
c. Protect internal network segments
d. Prevent command and control data from being initiated from inside the network.
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Briefly discuss the significance of each of the following systems mentioned in this chapter:
What will be an ideal response? a. MS-DOS b. CTSS c. Multics d. OS/360 e. TSS f. UNIX g. Macintosh
How many processes truly can execute concurrently in a system at any time?
a) any number b) at least as many as there are processors c) at most as many as there are processors d) none of the above